3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array( array('optional' => 0, 2, 9), array('optional' => 0, 3, 4),/* array('optional' => 0, 6, 7, 8),*/ array('optional' => 1, 6,),/* array('optional' => 1, 6, 7, 8, 5, 9), array('optional' => 1, 6, 7, 8, 10, 11, 12)*/ ); function generateCombinations(array $array) { foreach (array_pop($array) as $value) { $option = $value["optional"]; if (count($array)) { foreach (generateCombinations($array) as $combination) { yield array_merge([$value], $combination); }; } else { yield [$value]; if($option == 1) yield []; } } } foreach(generateCombinations($arr) as $combination){ echo implode(",", $combiantion) . "\n"; }
Output for 8.4.1 - 8.4.14, 8.4.16, 8.5.0 - 8.5.1
Warning: Trying to access array offset on int in /in/gNBsJ on line 15 Warning: Trying to access array offset on int in /in/gNBsJ on line 15 Warning: Trying to access array offset on int in /in/gNBsJ on line 15 Warning: Undefined variable $combiantion in /in/gNBsJ on line 30 Fatal error: Uncaught TypeError: implode(): If argument #1 ($separator) is of type string, argument #2 ($array) must be of type array, null given in /in/gNBsJ:30 Stack trace: #0 {main} thrown in /in/gNBsJ on line 30
Process exited with code 255.
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 8.3.0 - 8.3.28
Warning: Trying to access array offset on int in /in/gNBsJ on line 15 Warning: Trying to access array offset on int in /in/gNBsJ on line 15 Warning: Trying to access array offset on int in /in/gNBsJ on line 15 Warning: Undefined variable $combiantion in /in/gNBsJ on line 30 Fatal error: Uncaught TypeError: implode(): Argument #1 ($array) must be of type array, string given in /in/gNBsJ:30 Stack trace: #0 /in/gNBsJ(30): implode(',', NULL) #1 {main} thrown in /in/gNBsJ on line 30
Process exited with code 255.
Output for 8.1.24 - 8.1.33, 8.2.11 - 8.2.29
Warning: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Warning: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Warning: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Warning: Undefined variable $combiantion in /in/gNBsJ on line 30 Fatal error: Uncaught TypeError: implode(): Argument #1 ($array) must be of type array, string given in /in/gNBsJ:30 Stack trace: #0 /in/gNBsJ(30): implode(',', NULL) #1 {main} thrown in /in/gNBsJ on line 30
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.23, 8.2.0 - 8.2.10
Warning: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Warning: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Warning: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Warning: Undefined variable $combiantion in /in/gNBsJ on line 30 Fatal error: Uncaught TypeError: implode(): Argument #1 ($pieces) must be of type array, string given in /in/gNBsJ:30 Stack trace: #0 /in/gNBsJ(30): implode(',', NULL) #1 {main} thrown in /in/gNBsJ on line 30
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Notice: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Notice: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Notice: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Notice: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Notice: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Notice: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Notice: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Notice: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Notice: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Trying to access array offset on value of type int in /in/gNBsJ on line 15 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30
Output for 7.3.32 - 7.3.33
Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31
Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30 Notice: Undefined variable: combiantion in /in/gNBsJ on line 30 Warning: implode(): Invalid arguments passed in /in/gNBsJ on line 30
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209.74 ms | 437 KiB | 5 Q